import timeit

list_time = timeit.timeit('[str(i) for i in range(100)]',number=1000000)
print(list_time)

map_time = timeit.timeit('map(str,range(100))',number=1000000)
print(map_time)

map_list_time = timeit.timeit('list(map(str,range(100)))',number=1000000)
print(map_list_time)